It would be a combination of the central agencies: the Privy Council Office, the Minister of Finance, and the management board—the Treasury Board Secretariat. The Treasury Board Secretariat is the agency that tends to carry out these reviews and offer the recommendations government-wide.
I do not believe the solution would be in legislation, but parliamentarians, in their reviews of estimates with departments, might want to ask, have you conducted an evaluation of your programs? How many have you done? What have been the results? I think if there were that kind of questioning from parliamentarians, it might also encourage departments to move down that path.